351278 (2004 SB20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4132867868 ± 7.66e-08
Semi-major axis (a)1.1829034662 AU ± 1.40e-09
Inclination (i)30.26768358° ± 1.22e-05
Long. of Asc. Node (Ω)30.89272413° ± 6.47e-06
Arg. of Perihelion (ω)209.41462955° ± 1.45e-05
Mean Anomaly (M)245.00615116° ± 1.85e-05
Mean Motion (n)0.7661050403°/day ± 1.36e-09
Perihelion dist (q)0.69402509 AU ± 9.06e-08
Aphelion dist (Q)1.67178184 AU ± 9.06e-08
Orbital Period1.28654196 yr ± 2.28e-09
Physical Parameters
H (abs. magnitude)18.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.405″
Uncertainty0
Orbit TypeApollo
MOID0.268998 AU
Observations Used304
Oppositions5
Arc Total2004-2025
First Observation Used2004-09-21
Last Observation Used2025-11-01
Observations (320)
Date Type RA Dec Mag Band Observatory
2004-10-19 07:53:32 C 01 25 47.11 -05 27 49.8 18.7 c 704
2004-10-19 08:08:32 C 01 25 44.43 -05 27 32.2 18.7 c 704
2004-10-19 08:23:30 C 01 25 41.74 -05 27 15.3 18.7 c 704
2004-11-03 05:26:05 C 00 36 21.224 +01 03 33.76 n 645
2004-11-03 05:28:28 C 00 36 20.948 +01 03 36.11 n 645
2004-11-03 05:29:40 C 00 36 20.837 +01 03 37.08 n 645
2004-11-04 02:03:21 C 00 34 20.08 +01 23 23.5 c 691
2004-11-04 02:30:32 C 00 34 17.39 +01 23 49.5 c 691
2004-11-04 02:55:24 C 00 34 14.93 +01 24 12.7 c 691
2004-11-04 06:16:40 C 00 33 54.88 +01 27 23.0 r 448
2004-11-04 06:18:50 C 00 33 54.66 +01 27 24.9 r 448
2004-11-04 06:31:20 C 00 33 53.40 +01 27 37.6 r 448
2004-12-07 05:05:53 C 00 06 26.83 +11 00 40.3 r 448
2004-12-07 05:27:16 C 00 06 27.02 +11 00 52.2 r 448
2004-12-07 05:49:43 C 00 06 27.37 +11 01 04.3 r 448
2007-11-18 11:12:47 C 10 28 34.17 +55 00 08.7 o 696
2007-11-18 11:49:55 C 10 28 40.70 +55 00 29.7 o 696
2007-11-27 10:00:29 C 11 09 42.16 +57 04 40.7 o H55
2007-11-27 10:10:02 C 11 09 44.25 +57 04 47.4 o H55
2007-11-27 10:18:19 C 11 09 45.75 +57 04 50.5 o H55
2008-02-17 03:58:15 C 18 34 57.85 +49 17 34.7 o A17
2008-02-17 04:07:42 C 18 34 59.64 +49 17 20.0 o A17
2008-02-17 04:20:06 C 18 35 01.94 +49 17 00.8 o A17
2008-10-26 19:54:20 C 03 30 34.05 +37 20 06.6 A50
2008-10-26 19:56:34 C 03 30 33.74 +37 20 08.3 A50
2008-10-26 19:58:46 C 03 30 33.34 +37 20 10.7 A50
2008-10-26 20:31:32 C 03 30 28.42 +37 20 39.0 A50
2008-10-30 06:02:00 C 03 18 02.66 +38 25 52.2 o 673
2008-10-30 06:16:10 C 03 18 00.38 +38 26 03.0 o 673
2008-10-30 06:25:10 C 03 17 58.93 +38 26 09.9 o 673
2008-10-30 06:30:29 C 03 17 58.04 +38 26 14.2 o 673
2008-11-08 03:28:09 C 02 42 35.87 +40 26 24.5 v 204
2008-11-17 03:14:11 C 02 07 18.05 +41 07 20.0 r 703
2008-11-17 03:22:59 C 02 07 16.75 +41 07 18.2 r 703
2008-11-17 03:31:48 C 02 07 15.23 +41 07 20.6 r 703
2008-11-17 03:40:14 C 02 07 13.72 +41 07 21.3 r 703
2008-11-17 03:49:02 C 02 07 12.47 +41 07 22.0 r 703
2008-11-17 03:57:54 C 02 07 10.95 +41 07 23.1 r 703
2012-12-05 00:27:29 C 03 59 50.16 +71 07 20.9 t 204
2012-12-05 00:44:39 C 03 59 44.46 +71 07 27.5 t 204
2012-12-17 19:54:23 C 02 26 05.88 +70 40 42.4 t 204
2012-12-17 20:22:11 C 02 25 58.71 +70 40 28.4 t 204
2013-08-28 09:48:12 C 04 38 57.21 -23 20 10.7 u 807
2013-08-28 09:53:27 C 04 38 56.81 -23 20 09.2 u 807
2013-08-28 09:58:41 C 04 38 56.41 -23 20 08.1 u 807
2013-08-28 10:03:56 C 04 38 55.99 -23 20 07.0 u 807
2013-08-28 10:09:10 C 04 38 55.59 -23 20 05.8 u 807
2013-08-31 18:45:05 C 04 32 41.28 -23 00 51.9 u Q61
2013-08-31 18:50:42 C 04 32 40.79 -23 00 50.8 u Q61
2013-08-31 18:54:59 C 04 32 40.43 -23 00 49.5 u Q61